a type of softball with ten players per side and in which each pitch must travel in an arc from three to ten feet high.
SLV standard launch vehicle
SLW supercooled liquid water
adjective, slyer or slier, slyest or sliest. 1. cunning or wily: sly as a fox. 2. stealthy, insidious, or secret. 3. playfully artful, mischievous, or roguish: sly humor. Idioms 4. on the sly, secretly; furtively: a tryst on the sly. adjective slyer, slyest, slier, sliest 1. crafty; artful: a sly dodge 2. insidious; furtive: a […]
noun, (used with a singular verb) 1. an engagingly sly or mischievous person. plural noun 1. (functioning as sing) a person who is sly